<template>
  <el-dialog title="新增员工" :visible="showDialog" @click.native="flag = false" @close="closeDialog">
    <!-- 表单 -->
    <el-form ref="formRef" label-width="120px" :model="formData" :rules="rules">
      <el-form-item label="姓名" prop="username">
        <el-input v-model="formData.username" style="width:50%" placeholder="请输入姓名" />
      </el-form-item>
      <el-form-item label="手机" prop="mobile">
        <el-input v-model="formData.mobile" style="width:50%" placeholder="请输入手机号" />
      </el-form-item>
      <el-form-item label="入职时间" prop="timeOfEntry">
        <el-date-picker v-model="formData.timeOfEntry" style="width:50%" placeholder="请选择入职时间" />
      </el-form-item>
      <el-form-item label="聘用形式" prop="formOfEmployment">
        <el-select v-model="formData.formOfEmployment" style="width:50%" placeholder="请选择">
          <el-option v-for="item in hireType" :key="item.id" :label="item.value" :value="item.id" />
        </el-select>
      </el-form-item>
      <el-form-item label="工号" prop="workNumber">
        <el-input v-model="formData.workNumber" style="width:50%" placeholder="请输入工号" />
      </el-form-item>
      <el-form-item label="部门" prop="departmentName">
        <el-input
          :value="formData.departmentName"
          style="width:50%"
          placeholder="请选择部门"
          @click.native.stop="getDepartments"
        />
        <!-- 禁止输入框输入 1. disabled  2.readonly  3.将v-model改成 :value -->
        <!-- 部门列表的树形数据 -->
        <div v-if="flag" class="tree_container">
          <el-tree :data="treeData" :props="{label: 'name'}" @node-click="handleNodeClick" />
        </div>
      </el-form-item>
      <el-form-item label="转正时间">
        <el-date-picker v-model="formData.correctionTime" style="width:50%" placeholder="请选择转正时间" />
      </el-form-item>
    </el-form>
    <!-- footer插槽 -->
    <template v-slot:footer>
      <el-button @click="closeDialog">取消</el-button>
      <el-button type="primary" @click="add">确定</el-button>
    </template>
  </el-dialog>
</template>

<script>
import employeeMenu from '@/constant/employees'
import { reqGetDepartments } from '@/api/departments'
import { tranListToTreeData } from '@/utils/index'
import { reqAddEmployee } from '@/api/employees'
export default {
  props: {
    showDialog: {
      type: Boolean,
      default: false
    }
  },
  data() {
    return {
      formData: {
        username: '', // 用户名
        mobile: '', // 手机号
        formOfEmployment: '', // 聘用形式
        workNumber: '', // 工号
        departmentName: '', // 部门
        timeOfEntry: '', // 入职时间
        correctionTime: '' // 转正时间
      },
      rules: {
        username: [
          { required: true, message: '用户姓名不能为空', trigger: ['blur', 'change'] },
          { min: 2, max: 4, message: '用户姓名为2-4位', trigger: ['blur', 'change'] }
        ],
        mobile: [
          { required: true, message: '手机号不能为空', trigger: ['blur', 'change'] },
          { pattern: /^1[3-9]\d{9}$/, message: '手机号格式不正确', trigger: ['blur', 'change'] }
        ],
        formOfEmployment: [
          { required: true, message: '聘用形式不能为空', trigger: ['blur', 'change'] }
        ],
        workNumber: [
          { required: true, message: '工号不能为空', trigger: ['blur', 'change'] }
        ],
        departmentName: [
          { required: true, message: '部门不能为空', trigger: ['blur', 'change'] }
        ],
        timeOfEntry: [
          { required: true, message: '请选择入职时间', trigger: ['blur', 'change'] }
        ]
      },
      // 聘用形式
      hireType: employeeMenu.hireType,
      treeData: [], // 部门列表
      flag: false // 开关控制树形控件父元素显示与隐藏
    }
  },
  methods: {
    // 获取部门列表的方法
    async getDepartments() {
      if (!this.treeData.length) {
        const { data } = await reqGetDepartments()
        this.treeData = tranListToTreeData(data.depts, '')
      }
      this.flag = !this.flag
    },
    // 点击树触发的事件
    handleNodeClick(data) { // data就是点击的部门信息的对象
      // console.log(data)
      //  1.禁止有子部门的部门被选中
      if (!data.children.length) {
        // 2.将data的name属性展示在输入框中
        this.formData.departmentName = data.name
        // 3.将下拉表单隐藏
        this.flag = false
      }
    },
    // 新增员工
    add() {
      // 1. 预校验
      this.$refs.formRef.validate(async boo => {
        if (!boo) return
        // 2. 发送请求
        await reqAddEmployee(this.formData)
        // 3. 提示
        // 4. 关闭对话框
        this.closeDialog()
        // 5. 通知父组件重新渲染
        this.$emit('reload')
      })
    },
    // 关闭对话框
    closeDialog() {
      this.$emit('update:showDialog', false)
      // 重置表单
      this.$refs.formRef.resetFields()
      // 将formData重新初始化
      this.formData = {
        username: '', // 用户名
        mobile: '', // 手机号
        formOfEmployment: '', // 聘用形式
        workNumber: '', // 工号
        departmentName: '', // 部门
        timeOfEntry: '', // 入职时间
        correctionTime: '' // 转正时间
      }
    }
  }
}
</script>

<style scoped>
.tree_container {
  position: absolute;
  left: 0;
  top: 40px;
  width: 50%;
  z-index: 999;
  border: 1px solid #ccc;
  border-radius: 5px;
  overflow: hidden;
}
</style>
